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Hi all,
Can anyone of you explain the below rule of length matching
Length Matching between DQ and DQS within byte -10mm < DQ - DQS < 6mm
I am much grateful for your help.
Thanks,
psr
Hi all,
Is it possible to define Constraint area in PADS tool as we do in Allegro ?
For example to define neck down trace width inside BGA area.
And BUS route option is hidden in my PADS layout. How to make it enable?
Please help in this. Thanks in advance.
If anyone had got PADS router...
Hello,
From my PADS 9.5V pcb file, I am trying to export ascii 4.0 Version. Requirement from Client. I am getting the error as shown in the attached jpg file. ("Flooding priority was skipped in one or more copper pours because this property is not supported in the selected ASCII format")
Has...
Hello,
Could anyone please let me know what are all the general techniques used in High speed board design.
Any spec available to learn about that?
I've worked in pcb designs but not high speed boards.
I am just stepping forward to learn layout considerations for DDR, PCIe, HDMI ,etc.
I would be...
Hello Guys,
I am new to Hardware testing. I need to select few loads with respect to the driver output rating. Can anyone Please help me in selecting the loads.
Driver rating
Imax- 1A
overload- <5A
Miimum rise and fall time 10 us.
Load types can be
- Capacitive, max 10µF, (e.g. LED matrix)
-...
Hi,
In mixed signal boards, we are keeping analog and digital grounds separated.
Whats the reason to short the two grounds at one point using Ferrite bead?
Can anybody suggest any good study materials to understand characteristic impedance , EMI, EMC, DFM ,DFTconcepts in little bit simple way...
LOGO creation in pads
Hi,
Can you suggest me any easy way to make a logo in PADS software?
It should come as 2D lines, right?
First time, going to createa customer logo to place it in my board.
Kindly help.
Thanks,
Psr
Hi all,
Greetings.
Is there any advantage in choosing full thermal instead of using thermal relief.
Only for fine pitch components, we prefer full thermal. Why this is so?
Thanks,
Psr
Dear all,
Whats the difference between ibis and spice model?
and what is eye diagram?
Why its difficult to get the ibis model from the vendors?
Regards,
psr
Hi all,
I just want to know if auto router (especially Allegro )is used by many?
Is that gives the expected routing results?
Those who opt for auto routing,are you using any techniques/procedures to get the best output.Please share your thoughts and knowledge here.
Thanks & Regards,
Psr
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